American Express® Platinum vs Frontier Airlines World Mastercard®

American Express® Platinum
VS
Frontier Airlines World Mastercard®
The short answer: The Frontier Airlines World Mastercard® delivers a bit more value for most spenders.

Side-by-side comparison

American Express® PlatinumFrontier Airlines World Mastercard®
Annual fee$895$99
Welcome offer175,000 Membership Rewards® Points100,000 miles
Dining1x3x
Groceries1x1x
Gas1x1x
Travel5x5x
Streaming1x1x
Everything else1x1x
Est. yearly rewards*$364$424
Points typeTransfers to airlines & hotelsLocked to Frontier Miles
NetworkAmexMastercard

*Estimated yearly rewards on typical household spending, every point valued at a flat 1 cent. Verified June 2026. See your own numbers in the calculator.

The verdict

On a typical year of household spending, the American Express® Platinum earns about $364 a year in rewards and the Frontier Airlines World Mastercard® about $424, valuing every point at a flat 1 cent. The American Express® Platinum charges $895, but carries about $1,229 in annual statement credits that offset it for anyone who uses them. The Frontier Airlines World Mastercard® charges $99, which you clear through its rewards and perks. Counting rewards, fees, and any credits, the Frontier Airlines World Mastercard® delivers more total value, about $242 a year more for a typical spender, mostly because it earns more where you spend most, on dining. The bigger difference is the ceiling: the American Express® Platinum earns points you can move to travel partners for outsized value, while the Frontier Airlines World Mastercard® stays locked to a single airline or hotel program. Favor the American Express® Platinum if you will use travel transfers, the Frontier Airlines World Mastercard® if you want simplicity. On the sign-up bonus, the American Express® Platinum currently has the larger welcome offer. A welcome bonus is a one-time event, so weigh it apart from the ongoing rewards.

Pick the Frontier Airlines World Mastercard® if your spending leans toward dining.

Read the full reviews

Frequently asked questions

Is the American Express® Platinum or the Frontier Airlines World Mastercard® better?
On typical household spending, the Frontier Airlines World Mastercard® comes out ahead after its annual fee, by roughly $242 a year with every point valued at a flat 1 cent. But the American Express® Platinum can be the better fit if your spending lines up with its stronger categories. Run both through the Cardocrat calculator to see your own numbers.
Can I have both the American Express® Platinum and the Frontier Airlines World Mastercard®?
In most cases yes, as long as you meet each issuer's approval rules (for example Chase's 5/24 rule). Many people hold complementary cards to cover more bonus categories, then pool or redeem the rewards together where the program allows.
Which has the better welcome bonus, the American Express® Platinum or the Frontier Airlines World Mastercard®?
As of June 2026, the American Express® Platinum offers 175,000 Membership Rewards® Points and the Frontier Airlines World Mastercard® offers 100,000 miles. Welcome offers change often, so confirm the current offer on each card's page before applying.